No European cities are featured but the principle is exactly the same. In fact, a new study has shown that the introduction of vaccination in the Netherlands contributed to an overall reduction in childhood mortality through the 20th century.

These videos show the value of herd immunity. And, given that some people are too young or too sick to be vaccinated, it really means that all healthy people should ensure that they are protected against the virus. You are protecting yourself and your community.

Bonus material

The good people at Pitt Health also came up with this startling illustration of what happened after the measles vaccine was introduced in the United States in the 1960s.

As the public embraced the vaccine, the number of cases dropped dramatically before falling to zero.

The reappearance of measles in the US in recent years has been associated with the ongoing outbreaks in Europe.